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Finding the Fourth Proportional to 604,809.39, 906,705.58 and 404,518.46

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Solution

The fourth proportional to 604,809.39, 906,705.58 and 404,518.46 is: 606,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,809.39 : 906,705.58 = 404,518.46 : x
  2. Step 2: Convert to fraction form
    604,809.39/906,705.58 = 404,518.46/x
  3. Step 3: Cross multiply
    604,809.39x = 906,705.58 × 404,518.46
  4. Step 4: Simplify right side
    604,809.39x = 366,779,144,895.01
  5. Step 5: Solve for x
    x = 366,779,144,895.01/604,809.39
  6. Step 6: Final answer
    x = 606,437.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.